{"product_id":"304-stainless-steel-sheet-16mm-thick-bright-polish-50-450mm","title":"Stainless Steel Sheet Bright Polish 16mm Thick Many Size Grade A2 304 L50-450mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e304 Stainless Steel Sheet 16mm Thick — Bright-Polished Plate for Structural and Fabrication Use\u003c\/h2\u003e\n    \u003cp\u003eFinding a thick stainless steel sheet that combines a clean surface finish with genuine structural depth is a challenge for fabricators, machine builders, and serious home workshop users. Thin decorative sheets flex under load; mild steel plates rust without treatment. This 304 stainless steel sheet at 16mm thickness bridges that gap — delivering a bright-polished face on a solid, load-bearing cross-section.\u003c\/p\u003e\n    \u003cp\u003eEach plate is cut from Grade A2 (304) stainless steel, an 18\/8 chromium-nickel alloy with reliable corrosion resistance and good weldability. The thickness is a consistent 16 mm (approx. 0.63 in). Available sizes range from 50 × 50 mm (approx. 1.97 × 1.97 in) up to 450 × 450 mm (approx. 17.7 × 17.7 in), with multiple intermediate dimensions to match your project footprint without excess material waste.\u003c\/p\u003e\n    \u003cp\u003eTypical applications include custom machine bases and mounting plates where a flat, rigid stainless surface is required; structural brackets and gussets in food-processing or marine-adjacent environments where corrosion resistance matters; and heavy-duty DIY fabrication projects such as workbench inserts, press platens, or jig plates that need a bright reference surface for layout work.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e\n    Compatible with carbide-tipped cutting tools, angle grinders with stainless-rated discs, and MIG\/TIG welding with ER308L filler. Suitable for indoor and light outdoor structural applications.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-features\"\u003e\n    \u003ch2\u003e✅ Key Features of These 304 Stainless Steel Sheets\u003c\/h2\u003e\n    \u003cul class=\"hdiy-list\"\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003e16mm Solid Thickness\u003c\/strong\u003e — A full 16 mm (0.63 in) cross-section provides the rigidity needed for mounting plates, jig bases, and structural brackets without flex under moderate load.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✨\u003c\/span\u003e \u003cstrong\u003eBright-Polished Finish\u003c\/strong\u003e — The reflective surface is ready to use for layout, display, or decorative applications without additional polishing steps.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eGrade A2 \/ 304 Alloy\u003c\/strong\u003e — 18% chromium and 8% nickel composition resists rust and oxidation in most indoor and light outdoor environments without surface coatings.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003e13 Size Options\u003c\/strong\u003e — From 50 × 50 mm to 450 × 450 mm, select the plate that fits your project footprint and minimise off-cut waste.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e \u003cstrong\u003eMachinable and Weldable\u003c\/strong\u003e — Drills and mills with carbide tooling; MIG and TIG weldable with standard 308L stainless filler wire for joining or mounting.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e \u003cstrong\u003eVersatile Structural Use\u003c\/strong\u003e — Suited for machine bases, press platens, food-safe work surfaces, marine-adjacent brackets, and heavy-duty DIY fabrication projects.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ch2\u003e📐 Technical Specifications — Stainless Steel Flat Sheet\u003c\/h2\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 Stainless Steel (Grade A2, 18\/8 Cr-Ni)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBright Polish\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003ctd\u003e16 mm (approx. 0.63 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e50 mm to 450 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Widths\u003c\/th\u003e\n\u003ctd\u003e50 mm to 450 mm (see variant options)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eFlat Rectangular Plate\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically 515–620 MPa (304 grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003eTypically ≤ 200 HB (annealed 304)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eWeldability\u003c\/th\u003e\n\u003ctd\u003eMIG \/ TIG compatible (ER308L filler)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eSuitable for indoor and light outdoor use\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eApprox. Weight per Piece\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right plate size for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMeasure the footprint your project requires and select the next size up to allow for any drilling, milling, or edge finishing. For mounting plates, match the plate to your bolt-hole pattern with at least 10–15 mm of edge clearance around each hole. If your required size falls between two options, contact us to confirm availability of custom cuts.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs 16mm thick stainless steel strong enough for structural use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAt 16 mm thickness, 304 stainless steel plate has a tensile strength of typically 515–620 MPa and is suitable for moderate structural roles such as machine bases, mounting flanges, and press platens. For high-load or dynamic applications, consult a structural engineer to verify the plate meets your specific load and fatigue requirements.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill this plate rust or corrode outdoors?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGrade 304 stainless steel performs well in most indoor environments and light outdoor settings away from salt spray or prolonged chloride exposure. In coastal or high-humidity outdoor environments, Grade 316 stainless steel is generally recommended for superior chloride resistance. For light outdoor use such as covered structures or sheltered brackets, 304 is typically adequate.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat tools do I need to cut or drill this plate?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAt 16 mm thickness, cutting requires an angle grinder with a stainless-rated cutting disc, a cold saw, or a plasma cutter. Drilling should be done with carbide-tipped or cobalt drill bits at low speed with cutting fluid to prevent work-hardening. Avoid standard HSS bits without cutting fluid, as 304 stainless work-hardens quickly and will blunt the bit prematurely.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I weld this plate to mild steel or other stainless components?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. 304 stainless is weldable using MIG or TIG processes. For stainless-to-stainless joints, use ER308L filler wire. For stainless-to-mild-steel joints, use a 309L filler wire to bridge the dissimilar metals and reduce the risk of cracking. Always clean the weld area thoroughly before welding to avoid contamination.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eIs the bright-polished finish food-safe?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGrade 304 stainless steel is widely used in food-processing equipment and is generally considered food-safe when properly cleaned. The bright-polished surface reduces surface roughness, making it easier to clean and less likely to harbour bacteria. For regulated food-production environments, verify compliance with your local food-safety authority's material standards.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow does the bright-polish finish compare to a brushed or mill finish?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA bright-polish finish (also called 2B or mirror-adjacent) has a smooth, reflective surface with lower surface roughness than a brushed (No. 4) or mill finish. It is easier to clean, more resistant to surface contamination, and suitable for decorative or layout-reference applications. A brushed finish shows directional grain and is more forgiving of minor handling marks.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your size above, then add to cart.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right plate size for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Measure the footprint your project requires and select the next size up to allow for drilling, milling, or edge finishing. For mounting plates, allow at least 10–15 mm of edge clearance around each bolt hole. Contact us for custom cut sizes.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is 16mm thick stainless steel strong enough for structural use?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"At 16 mm thickness, 304 stainless steel has a tensile strength of typically 515–620 MPa, suitable for machine bases, mounting flanges, and press platens. For high-load applications, consult a structural engineer.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will this plate rust or corrode outdoors?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grade 304 performs well indoors and in light outdoor settings away from salt spray. For coastal environments, Grade 316 is recommended. For sheltered outdoor use, 304 is typically adequate.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What tools do I need to cut or drill this plate?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use an angle grinder with a stainless-rated disc, cold saw, or plasma cutter for cutting. Drill with carbide-tipped or cobalt bits at low speed with cutting fluid to prevent work-hardening.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I weld this plate to mild steel or other stainless components?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Use ER308L filler for stainless-to-stainless joints and 309L filler for stainless-to-mild-steel joints. Clean the weld area thoroughly before welding.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the bright-polished finish food-safe?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grade 304 stainless is widely used in food-processing equipment and is generally considered food-safe when properly cleaned. Verify compliance with your local food-safety authority for regulated environments.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How does the bright-polish finish compare to a brushed or mill finish?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A bright-polish finish has lower surface roughness than brushed or mill finishes, making it easier to clean and suitable for decorative or layout-reference use. A brushed finish shows directional grain and is more forgiving of handling marks.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"HomeDIYer","offers":[{"title":"50mm X 50mm X 16mm \/ 1","offer_id":52379239809298,"sku":"WWLFABGQJDWW198x1","price":24.58,"currency_code":"USD","in_stock":true},{"title":"100mm X 50mm X 16mm \/ 1","offer_id":52379239842066,"sku":"WWLFABGQJDWW199x1","price":45.95,"currency_code":"USD","in_stock":true},{"title":"100mm X 100mm X 16mm \/ 1","offer_id":52379239874834,"sku":"WWLFABGQJDWW200x1","price":84.33,"currency_code":"USD","in_stock":true},{"title":"200mm X 100mm X 16mm \/ 1","offer_id":52379239907602,"sku":"WWLFABGQJDWW201x1","price":165.16,"currency_code":"USD","in_stock":true},{"title":"200mm X 200mm X 16mm \/ 1","offer_id":52379239940370,"sku":"WWLFABGQJDWW202x1","price":325.65,"currency_code":"USD","in_stock":true},{"title":"300mm X 200mm X 16mm \/ 1","offer_id":52379239973138,"sku":"WWLFABGQJDWW203x1","price":486.2,"currency_code":"USD","in_stock":true},{"title":"300mm X 300mm X 16mm \/ 1","offer_id":52379240005906,"sku":"WWLFABGQJDWW204x1","price":714.9,"currency_code":"USD","in_stock":true},{"title":"400mm X 300mm X 16mm \/ 1","offer_id":52379240038674,"sku":"WWLFABGQJDWW205x1","price":951.39,"currency_code":"USD","in_stock":true},{"title":"400mm X 400mm X 16mm \/ 1","offer_id":52379240071442,"sku":"WWLFABGQJDWW206x1","price":1249.01,"currency_code":"USD","in_stock":true},{"title":"150mm X 150mm X 16mm \/ 1","offer_id":52379240104210,"sku":"WWLFABGQJDWW209x1","price":185.07,"currency_code":"USD","in_stock":true},{"title":"250mm X 250mm X 16mm \/ 1","offer_id":52379240136978,"sku":"WWLFABGQJDWW210x1","price":506.3,"currency_code":"USD","in_stock":true},{"title":"350mm X 350mm X 16mm \/ 1","offer_id":52379240169746,"sku":"WWLFABGQJDWW211x1","price":974.56,"currency_code":"USD","in_stock":true},{"title":"450mm X 450mm X 16mm \/ 1","offer_id":52379240202514,"sku":"WWLFABGQJDWW212x1","price":1578.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of19_209fb10a-6d46-43c8-ab11-9e40beb7bf11.jpg?v=1781781566","url":"https:\/\/homediyer.com\/products\/304-stainless-steel-sheet-16mm-thick-bright-polish-50-450mm","provider":"HomeDIYer","version":"1.0","type":"link"}